Below the title bar is menu bar. Most of the menus are very similar to what you learn in OpenOffice Writer.

(i) File:
Menu contains the commands of all file management tasks like, Create a new file, Open an existing file, Close the current file, Save a file, Save a file in another name, print file, Export file etc.
(ii) Edit:
Menu contains the editing commands like, cut, copy, paste, Undo, Redo, Fill etc., Most of the menu items are similar to Writer Edit menu. But, for Calc, some special editing options are available under this menu.
(iii) View:
Menu contains the commends which are used to modify the environment of calc.
(iv) Insert:
Menu contains commands for inserting various calc elements such as cells, columns, rows, functions, charts etc.,
(v) Format:
Menu contains the commands of various text and cell formatting features.
(vi) Tools:
Menu contains various tools and functions such as spell check, protect document, insert pictures, macros, etc.,
(vii) Data:
Menu contains the commands to manipulate data in a spreadsheet such as sort, filter, subtotal, validity etc.,
(viii) Window:
Menu shows display options such as New Window, Close Windows, Split and Freeze.
(ix) Help:
Menu lists in-built help features available with OpenOffice.